Memory Cap Enforcement Threshold

The memory cap enforcement threshold is the percentage of physical
memory utilization on the system that triggers cap enforcement. When the system
exceeds this utilization, caps are enforced. The physical memory used by applications
and the kernel is included in this percentage. The percentage of utilization
determines the way in which memory caps are enforced.

To enforce caps, memory can be paged out from project workloads.

Memory can be paged out to reduce the size of the portion
of memory that is over its cap for a given workload.

Memory can be paged out to reduce the proportion of physical
memory used that is over the memory cap enforcement threshold on the system.

A workload is permitted to use physical memory up to its cap. A workload
can use additional memory as long as the system's memory utilization stays
below the memory cap enforcement threshold.